Subtract 21/4 from 15/50
1st number: 15/50, 2nd number: 5 1/4
15/50 - 21/4 is -99/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 4 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
15/50 = 15 × 2/50 × 2 = 30/100 - Likewise, for the 2nd fraction, since 4 × 25 = 100,
21/4 = 21 × 25/4 × 25 = 525/100 - Subtract the two like fractions:
30/100 - 525/100 = 30 - 525/100 = -495/100 - After reducing the fraction, the answer is -99/20
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